<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body{
            min-width: 500px;
        }
        div{
            text-align: center;
        }
        #content{
            padding-left: 300px;
            padding-right: 200px;
        }
        #header{
            background-color: hotpink;
        }
        #content #center{
            background-color: wheat;
            width: 100%;
        }
        #content #left{
            position: relative;
            background-color: orange;
            width: 300px;
            margin-left:-100%;
            left: -300px;
           
          
        }
        #content #right{
            background-color: green;
            width: 200px;
            margin-right: -200px;
        }
        #content .column{
           float: left;
        }
        #footer{
            clear: both;
            background-color: lemonchiffon; 
        }
    </style>
</head>
<body>
    <h1>圣杯布局</h1>
    <div id="header">Header</div>
    <div id="content">
        <div id="center"class="column">Center</div>
        <div id="left"  class="column">Left</div>
        <div id="right" class="column">Right</div>
    </div>
    <div id="footer">Footer</div>
</body>
</html>